26305 Overcurrent Protection Questions and Solutions | Grade A+
3 views 0 purchase
Course
26305 Overcurrent Protection
Institution
26305 Overcurrent Protection
What is Amperes Interrupting Current (AIC)?
️: Maximum fault current that the breaker will safely interrupt
What is considered a high-level fault?
️: 50,000 A or larger
Equipment must have an interrupting rating of at least
️: Equal to current that must be interrupted.
What is a ground ...
26305 overcurrent protection questions and solutio
Written for
26305 Overcurrent Protection
All documents for this subject (2)
Seller
Follow
TestTrackers
Reviews received
Content preview
26305 Overcurrent Protection
Questions and Solutions | Grade A+
What is Amperes Interrupting Current (AIC)?
✔️: Maximum fault current that the breaker will safely interrupt
What is considered a high-level fault?
✔️: 50,000 A or larger
Equipment must have an interrupting rating of at least
✔️: Equal to current that must be interrupted.
What is a ground fault?
✔️: Unintentional grounding of conductors in an electrical system
For 480V circuits, arc current may be as low as ___ of the available bolted fault current and
seldom exceed ___
✔️: 38% , 60%
, Plug fuses are normally used in
✔️: General purpose branch circuits
Cartridge fuses may be found in
✔️: Branch circuits, feeder circuits, motor circuits, and many other special applications.
The voltage of a fuse may be at least _____ or ______ the circuit voltage. It can be _____ but
never lower.
✔️: Equal to, greater than, higher
Most modern fuses are a
✔️: Current limiting device
What is a current limiting device?
✔️: A protective device that cuts off a short circuit in less than 1/2 cycle before it reaches its
total available value
What is a dual element time delay fuse?
✔️: Fuses that are applied in circuits subject to temporary overloads and surge currents
because they provide high-performance short-circuit, and overload protection.
The benefits of buying summaries with Stuvia:
Guaranteed quality through customer reviews
Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.
Quick and easy check-out
You can quickly pay through credit card or Stuvia-credit for the summaries. There is no membership needed.
Focus on what matters
Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!
Frequently asked questions
What do I get when I buy this document?
You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.
Satisfaction guarantee: how does it work?
Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.
Who am I buying these notes from?
Stuvia is a marketplace, so you are not buying this document from us, but from seller TestTrackers. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $10.39. You're not tied to anything after your purchase.